Rb20 hot start problems

Discuss the RB20, RB25 and RB26 series engines.
tgroff12
Posts: 14
Joined: Sat Oct 12, 2013 4:40 am
Car: 93 240sx Silvia conversion and rb20det

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I am having problems starting my s13 rb20 swap... I can get it to start when it's cold but it struggles then too, i have to give it gas for 30 seconds before it will idle on it's own. And when I shut it off after I run it for a while it will not start back up till the next day! Anyone have any suggestions?


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Chevvy123
Posts: 55
Joined: Sun Oct 27, 2013 2:14 pm
Car: 1995 240sx ka24(sold)
1972 240z (sold)
2004 G35 building a short block for tt upgrade
1996 240sx rb20 powered

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Mine does almost the same thing. Starts fine when it's cold, but won't even turn over when its hot. I have to wait for it to cool down before it'll start again. Still have no clue what the problem is, so bump.


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